国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01B（3）
IPC C01B032/19（2）
发明人 MENG J（3）
公开年 2018（2）
申请年 2018（2） 
专利权人 UNIV HEILONGJIANG SCI TECHNOLOGY（3）

Fretting wear device for preparing graphene, comprises motor, diamond fine powder, four roller assemblies two planet gear mechanism, two planetary gear mechanisms set oppositely, two planetary gear mechanisms with four roller assemblies.

WANG Z, ZHAO C, MENG J

Preparing graphene nanosheets by micro friction wear comprises weighing artificial graphite and diamond micro powder, placing into the drum, adding e.g. artificial graphite, taking out slurry powder in roller, washing, filtering, and drying.

WANG Z, ZHAO C, MENG J

Preparing quickly small size graphene comprises e.g. preparing expanded graphite, providing natural crystalline flake graphite as raw material, using chemical intercalation expansion, and preparing to obtain high expansion graphite.

WANG Z, ZHAO C, MENG J, YIN J